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authorDavid Marcec <dmarcecguzman@gmail.com>2018-12-03 10:13:48 +0100
committerDavid Marcec <dmarcecguzman@gmail.com>2018-12-03 10:13:48 +0100
commit5102c912569a29259ec26aa254d4598e81205a17 (patch)
treed7437b2cf2fd53771735a2938174a4aaaed03e4e /src/core/arm/unicorn
parentPrint backtrace on svcBreak (diff)
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Diffstat (limited to 'src/core/arm/unicorn')
-rw-r--r--src/core/arm/unicorn/arm_unicorn.cpp17
-rw-r--r--src/core/arm/unicorn/arm_unicorn.h1
2 files changed, 18 insertions, 0 deletions
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
index ded4dd359..c9495124e 100644
--- a/src/core/arm/unicorn/arm_unicorn.cpp
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -10,6 +10,7 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/svc.h"
+#include "core/memory.h"
namespace Core {
@@ -266,6 +267,22 @@ void ARM_Unicorn::ClearExclusiveState() {}
void ARM_Unicorn::ClearInstructionCache() {}
+void ARM_Unicorn::LogBacktrace() {
+ VAddr fp = GetReg(29);
+ VAddr lr = GetReg(30);
+ VAddr sp = GetReg(13);
+ VAddr pc = GetPC();
+ LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
+ for (;;) {
+ LOG_ERROR(Core_ARM, "{:016X}", lr);
+ if (!fp) {
+ break;
+ }
+ lr = Memory::Read64(fp + 8) - 4;
+ fp = Memory::Read64(fp);
+ }
+}
+
void ARM_Unicorn::RecordBreak(GDBStub::BreakpointAddress bkpt) {
last_bkpt = bkpt;
last_bkpt_hit = true;
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index 75761950b..41da6a73c 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -40,6 +40,7 @@ public:
void ClearInstructionCache() override;
void PageTableChanged() override{};
void RecordBreak(GDBStub::BreakpointAddress bkpt);
+ void LogBacktrace() override;
private:
uc_engine* uc{};